<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>

<body>
  <script src="utils.js">  </script>


  <script>

    let obj = {
      name: '哈哈'
    }
    function fn() {
      console.log(this, arguments);
    }
    // fn()

    // fn.myCall(obj, 1, 2, 3, 5)
    // fn.myApply(obj, [])



    let h = fn.myBind(obj, '哈哈哈哈', '666')
    h()
    console.log(h);


  </script>
</body>

</html>